A virtual keyboard is an image of a QWERTY keyboard projected on any surface that enables users to use the standard keyboard functions through touching the image of the key. It is used smartphones, PDAs and other handheld devices.
Brief Description of Virtual Keyboard
Virtual keyboard projects a complete keyboard’s on a flat surface and gives the image of a normal keyboard. The keyboard generates output when the users touch the projected image of the key. The main advantages of this device are as follows:
- Prevents breakage
- Eliminates transfer of infections
- No cleaning
- No complex wires, buttons or switches
- Invisibility and stealth modes ensure privacy
- Can be used by moving fingers through air for space stations
VKEY is one example of a virtual keyboard developed by Virtual Devices Inc.